Question

java如何调用打印机打印图片

Answer 1

package com.iba.cxx.adm.controller;import javax.print.*;import javax.print.attribute.DocAttributeSet;import javax.print.attribute.HashDocAttributeSet;import javax.print.attribute.HashPrintRequestAttributeSet;import javax.swing.*;import java.io.File;import java.io.FileInputStream;/** * Created by Administrator on 2017/9/8 0008. */public class TestController { public static void main(String[] args) {
JFileChooser fileChooser = new JFileChooser(); //创建打印作业 int state = fileChooser.showOpenDialog(null); if(state == fileChooser.APPROVE_OPTION){ // File file = new File("D:/haha.txt"); //获取选择的文件 File file = fileChooser.getSelectedFile();//获取选择的文件 //构建打印请求属性集 HashPrintRequestAttributeSet pras = new HashPrintRequestAttributeSet(); //设置打印格式，因为未确定类型，所以选择autosense DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE; //查找所有的可用的打印服务 PrintService printService[] = PrintServiceLookup.lookupPrintServices(flavor, pras); //定位默认的打印服务 PrintService defaultService = PrintServiceLookup.lookupDefaultPrintService(); //显示打印对话框 PrintService service = ServiceUI.printDialog(null, 200, 200, printService,
defaultService, flavor, pras); if(service != null){ try {
DocPrintJob job = service.createPrintJob(); //创建打印作业 FileInputStream fis = new FileInputStream(file); //构造待打印的文件流 DocAttributeSet das = new HashDocAttributeSet();
Doc doc = new SimpleDoc(fis, flavor, das);
job.print(doc, pras);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}